diff options
Diffstat (limited to 'gnu/usr.bin/cvs/zlib/contrib/delphi/zlibdef.pas')
| -rw-r--r-- | gnu/usr.bin/cvs/zlib/contrib/delphi/zlibdef.pas | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/gnu/usr.bin/cvs/zlib/contrib/delphi/zlibdef.pas b/gnu/usr.bin/cvs/zlib/contrib/delphi/zlibdef.pas new file mode 100644 index 00000000000..4f96b7d2c50 --- /dev/null +++ b/gnu/usr.bin/cvs/zlib/contrib/delphi/zlibdef.pas @@ -0,0 +1,169 @@ +unit zlibdef; + +interface + +uses + Windows; + +const + ZLIB_VERSION = '1.1.3'; + +type + voidpf = Pointer; + int = Integer; + uInt = Cardinal; + pBytef = PChar; + uLong = Cardinal; + + alloc_func = function(opaque: voidpf; items, size: uInt): voidpf; + stdcall; + free_func = procedure(opaque, address: voidpf); + stdcall; + + internal_state = Pointer; + + z_streamp = ^z_stream; + z_stream = packed record + next_in: pBytef; // next input byte + avail_in: uInt; // number of bytes available at next_in + total_in: uLong; // total nb of input bytes read so far + + next_out: pBytef; // next output byte should be put there + avail_out: uInt; // remaining free space at next_out + total_out: uLong; // total nb of bytes output so far + + msg: PChar; // last error message, NULL if no error + state: internal_state; // not visible by applications + + zalloc: alloc_func; // used to allocate the internal state + zfree: free_func; // used to free the internal state + opaque: voidpf; // private data object passed to zalloc and zfree + + data_type: int; // best guess about the data type: ascii or binary + adler: uLong; // adler32 value of the uncompressed data + reserved: uLong; // reserved for future use + end; + +const + Z_NO_FLUSH = 0; + Z_SYNC_FLUSH = 2; + Z_FULL_FLUSH = 3; + Z_FINISH = 4; + + Z_OK = 0; + Z_STREAM_END = 1; + + Z_NO_COMPRESSION = 0; + Z_BEST_SPEED = 1; + Z_BEST_COMPRESSION = 9; + Z_DEFAULT_COMPRESSION = -1; + + Z_FILTERED = 1; + Z_HUFFMAN_ONLY = 2; + Z_DEFAULT_STRATEGY = 0; + + Z_BINARY = 0; + Z_ASCII = 1; + Z_UNKNOWN = 2; + + Z_DEFLATED = 8; + + MAX_MEM_LEVEL = 9; + +function adler32(adler: uLong; const buf: pBytef; len: uInt): uLong; + stdcall; +function crc32(crc: uLong; const buf: pBytef; len: uInt): uLong; + stdcall; +function deflate(strm: z_streamp; flush: int): int; + stdcall; +function deflateCopy(dest, source: z_streamp): int; + stdcall; +function deflateEnd(strm: z_streamp): int; + stdcall; +function deflateInit2_(strm: z_streamp; level, method, + windowBits, memLevel, strategy: int; + const version: PChar; stream_size: int): int; + stdcall; +function deflateInit_(strm: z_streamp; level: int; + const version: PChar; stream_size: int): int; + stdcall; +function deflateParams(strm: z_streamp; level, strategy: int): int; + stdcall; +function deflateReset(strm: z_streamp): int; + stdcall; +function deflateSetDictionary(strm: z_streamp; + const dictionary: pBytef; + dictLength: uInt): int; + stdcall; +function inflate(strm: z_streamp; flush: int): int; + stdcall; +function inflateEnd(strm: z_streamp): int; + stdcall; +function inflateInit2_(strm: z_streamp; windowBits: int; + const version: PChar; stream_size: int): int; + stdcall; +function inflateInit_(strm: z_streamp; const version: PChar; + stream_size: int): int; + stdcall; +function inflateReset(strm: z_streamp): int; + stdcall; +function inflateSetDictionary(strm: z_streamp; + const dictionary: pBytef; + dictLength: uInt): int; + stdcall; +function inflateSync(strm: z_streamp): int; + stdcall; + +function deflateInit(strm: z_streamp; level: int): int; +function deflateInit2(strm: z_streamp; level, method, windowBits, + memLevel, strategy: int): int; +function inflateInit(strm: z_streamp): int; +function inflateInit2(strm: z_streamp; windowBits: int): int; + +implementation + +function deflateInit(strm: z_streamp; level: int): int; +begin + Result := deflateInit_(strm, level, ZLIB_VERSION, sizeof(z_stream)); +end; + +function deflateInit2(strm: z_streamp; level, method, windowBits, + memLevel, strategy: int): int; +begin + Result := deflateInit2_(strm, level, method, windowBits, memLevel, + strategy, ZLIB_VERSION, sizeof(z_stream)); +end; + +function inflateInit(strm: z_streamp): int; +begin + Result := inflateInit_(strm, ZLIB_VERSION, sizeof(z_stream)); +end; + +function inflateInit2(strm: z_streamp; windowBits: int): int; +begin + Result := inflateInit2_(strm, windowBits, ZLIB_VERSION, + sizeof(z_stream)); +end; + +const + zlibDLL = 'png32bd.dll'; + +function adler32; external zlibDLL; +function crc32; external zlibDLL; +function deflate; external zlibDLL; +function deflateCopy; external zlibDLL; +function deflateEnd; external zlibDLL; +function deflateInit2_; external zlibDLL; +function deflateInit_; external zlibDLL; +function deflateParams; external zlibDLL; +function deflateReset; external zlibDLL; +function deflateSetDictionary; external zlibDLL; +function inflate; external zlibDLL; +function inflateEnd; external zlibDLL; +function inflateInit2_; external zlibDLL; +function inflateInit_; external zlibDLL; +function inflateReset; external zlibDLL; +function inflateSetDictionary; external zlibDLL; +function inflateSync; external zlibDLL; + +end. |